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【单选题】
移动商务从本质上归属于( )的类别A.
通信技术
B.
无线通讯
C.
电子商务
D.
网络技术
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【简答题】简述 MATLAB 中表达式由哪些组成?
【单选题】50-year old man has blood pressure of 150/90 mm Hg ( normal blood pressure is 120/90 mm Hg ) . If this person remains untreated for years, which of the following alterations will be seen in the myocar...
A.
Atrophy
B.
Metaplasia
C.
Hypertrophy
D.
Dysplasia
E.
Necrosis
【单选题】If you have high blood pressure, youre in good【C1】______. Hypertension affects 67 million Americans, including nearly two-thirds of people over age 60. But it isnt an inevitable part of the aging【C2】_...
A.
shape
B.
company
C.
therapy
D.
trouble
【单选题】If cerebral perfusion is below 70mmHg in an adult(threshold levels have not been determined for children), alpha agonists such as norepinephrine can be used to raise mean arterial blood pressure and t...
A.
如果脑灌注压在成人中低于 70mmHg： 儿童的阈值水平尚未确定，受体激动剂如去甲肾上腺素可用來提高平均动脉压和增加脑灌注压。
B.
如果成年人的脑灌注压低于 70mmHg： 儿童的阈值水平尚未确定，那么受体激动剂如去甲肾上腺素就可以用来提高患者平均动脉压，从而增加脑灌注压 。
【单选题】女性，32岁，剖宫产术后3天，突发气促，大汗1小时来院．立即予以面罩氧气吸入（吸入氧浓度50%），症状无改善。查体：血压140∕90mmHg，呼吸38次∕分，口唇发绀，双肺满布湿啰音和少量哮鸣音，血象WBC11.3×10 9 ∕1，N87%。血气分析：pH7.324，PaO 2 50mmHg，PaCO 2 34mmHg。为进一步明确诊断，下列哪项最有助于鉴别急性呼吸窘迫综合征与心源性肺水肿（）。
A.
呼吸困难与体位的关系
B.
啰音部位
C.
缺氧程度
D.
肺动脉楔压
E.
有无心脏病病史
【简答题】Do the statements below agree with the information in the Reading passage? Write: TRUE if the statement is true FALSE if the statement is false NOT GIVEN if the information is not given in the p...
【单选题】If the total peripheral resistance of the blood vessel remains unchanged and the cardiac stroke output increases, the change in arterial blood pressure is
A.
The systolic blood pressure does not change and the diastolic blood pressure rises
B.
Increased systolic blood pressure and unchanged diastolic blood pressure
C.
Increased systolic blood pressure is more obvious than increased diastolic blood pressure
D.
The increase in diastolic blood pressure is more obvious than the increase in systolic blood pressure.
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